Perhaps you should try some spelling variations:
developpement durable » developpement de
la communication » data communication, data communications
communication rc » communication 7c, communication r, communication 3
et developpement » de developpement, le developpement, test development
apologien de » apologien der, apologia de, apologie des
de variation » der variation, die variation, does variation

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: apologien de variation _ per la communication rc et developpement durable l'afrique.*.